I'm having trouble configuring a new mail server to use SMTP AUTH and can't seem to find any decent documentation on it.

I have no choice but to use Postgres as the management system uses it. I have to use SMTP AUTH because the server is a relay for all hosted domains. Customers must be able to send mail using the server, but it must remain secure from being an open relay.

I have compiled and installed Postfix with Postgres and SASL support. I have compiled and installed Cyrus SASL with Postgres support (at least I think I did that part correctly). When I try to send mail, I get this error in /var/log/maillog when my e-mail client attempts to authenticate:

Mar 26 03:02:46 mail1 postfix/smtpd[10987]: connect from ip68-7-51-89.sd.sd.cox.net[68.7.51.89] Mar 26 03:03:11 mail1 postfix/smtpd[10987]: warning: SASL authentication failure: Password verification failed Mar 26 03:03:11 mail1 postfix/smtpd[10987]: warning: ip68-7-51-89.sd.sd.cox.net[68.7.51.89]: SASL PLAIN authentication failed: authentication failure Mar 26 03:03:12 mail1 postfix/smtpd[10987]: warning: ip68-7-51-89.sd.sd.cox.net[68.7.51.89]: SASL LOGIN authentication failed: authentication failure

Does anyone know of any documentation covering this specific subject? Am I the only one on the planet trying to use Postfix+Cyrus SASL+Postgres for SMTP AUTH?

(Note: I have Postfix verifying virtual domains and addresses for incoming mail from the Postgres database.)

PGA
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Paul G. Allen, BSIT/SE
Owner, Sr. Engineer
Random Logic Consulting Services
www.randomlogic.com


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